Adding Node to a cluster
In this blog, I will try add a new node to the already running cluster.
My Cluster # root@master>k get nodes NAME STATUS ROLES AGE VERSION mydevmachine001830.samarthya.me Ready <none> 22h v1.23.1 mydevmachine002687.samarthya.me Ready <none> 41d v1.23.1 mydevmachine003277.samarthya.me Ready <none> 131d v1.23.1 mydevmachine003278.samarthya.me Ready <none> 131d v1.23.1 mydevmachine003417.samarthya.me Ready <none> 4m55s v1.23.1 mydevmachine003968.samarthya.me Ready <none> 131d v1.23.1 mydevmachine003969.samarthya.me Ready control-plane,master 131d v1.23.1 mydevmachine003970.samarthya.me Ready <none> 131d v1.23.1 mydevmachine003979.samarthya.me Ready <none> 29m v1.23.1 Steps to follow # Install docker Install kubeadm, kubectl & kubelet Join the cluster using the token Check the node has joined the cluster Step 1: Install docker # sudo yum install -y yum-utils sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo When adding repo make sure the repo has been added successfully to the machine